How accurate is this basal metabolic rate calculator?

Our basal metabolic rate calculator uses the Mifflin-St Jeor equation, which is considered the gold standard for BMR calculation. It provides accuracy within ±10% for most individuals when compared to lab testing.

What information do I need for the basal metabolic rate calculator?

The basal metabolic rate calculator requires your biological sex, age, height (in cm), and weight (in kg). These four factors determine your resting metabolic rate with scientific precision.

How often should I use the basal metabolic rate calculator?

Recalculate with our basal metabolic rate calculator whenever your weight changes significantly (±5+ lbs), during major life changes, or annually for age-related metabolic adjustments.

What is the difference between BMR and TDEE in the calculator?

The basal metabolic rate calculator shows your BMR (calories at rest) and TDEE estimates (BMR × activity level). BMR is your baseline; TDEE includes exercise and daily activities.

Can I use the basal metabolic rate calculator for weight loss?

Yes! The basal metabolic rate calculator provides your minimum calorie needs. For weight loss, eat above BMR but below TDEE. Never eat below BMR as it can damage your metabolism.

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Basal Metabolic Rate Calculator - Free BMR Calculator & Resting Calories

Calculate your exact basal metabolic rate with our free basal metabolic rate calculator. Get BMR with Mifflin-St Jeor and Harris-Benedict formulas plus TDEE estimates.

Sex

Weight (kg)

Height (cm)

Age (years)

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